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Echocardiographic assessment of left atrial morphology and function to predict maintenance of sinus rhythm after electrical cardioversion in patients with non-valvular persistent atrial fibrillation and normal function or mild dysfunction of left ventricle


- Intensive Cardiac Care Unit, Swietokrzyskie Cardiology Center, Kielce, Poland, Grunwaldzka, 25-735 Kielce, Poland
- Faculty of Medicine and Health Sciences, The Jan K ochanowski University, Kielce, Poland
- Department of Cardiology and Electrotherapy, Swietokrzyskie Cardiology Center, Grunwaldzka Street 45, 25-736 Kielce, Poland
open access
Abstract
Background: The aim of this study was to assess whether echocardiographic measurements of left atrial (LA) morphology and function could predict sinus rhythm maintenance after electrical cardioversion among patients with atrial fibrillation (AF) and normal function or mild dysfunction of the left ventricle (LV).
Methods: One hundred seventeen patients with persistent AF who underwent successful electrical cardioversion were prospectively enrolled. Echocardiography was performed one day subsequent to successful cardioversion. Patients were followed up clinically and electrocardiographically at 1, 6, and 12 months. At 12 months, 61 (52%) patients had maintained sinus rhythm (SR).
Results: Compared to patients who maintained SR, those with AF recurrence had larger LAs, worse LA systolic function, and increased LV filling pressure. On multivariate stepwise logistic regression, E/A ratios (odds ratio [OR] 0.550, 95% confidence interval [CI] 0.341–0.886; p = 0.014) and E/e’ ratios (OR 0.871, 95% CI 0.771–0.985; p = 0.027) were significant predictors of AF recurrence. On receiver operator characteristic curve analysis of AF recurrence at 12 months, the area under curve for both E/A and E/e’ ratios were 0.726. With an E/A cutoff of 2.2, the sensitivity for predicting AF recurrence at 12 months was 72%, and specificity was 73%. With an E/e’ cutoff of 9.17, the sensitivity for predicting AF recurrence at 12 months was 72%, and specificity was 74%.
Conclusions: Left ventricular filling pressure assessed with E/A and E/e’ ratios predict AF recurrence after electrical cardioversions among patients with AF and normal function of LV.
Abstract
Background: The aim of this study was to assess whether echocardiographic measurements of left atrial (LA) morphology and function could predict sinus rhythm maintenance after electrical cardioversion among patients with atrial fibrillation (AF) and normal function or mild dysfunction of the left ventricle (LV).
Methods: One hundred seventeen patients with persistent AF who underwent successful electrical cardioversion were prospectively enrolled. Echocardiography was performed one day subsequent to successful cardioversion. Patients were followed up clinically and electrocardiographically at 1, 6, and 12 months. At 12 months, 61 (52%) patients had maintained sinus rhythm (SR).
Results: Compared to patients who maintained SR, those with AF recurrence had larger LAs, worse LA systolic function, and increased LV filling pressure. On multivariate stepwise logistic regression, E/A ratios (odds ratio [OR] 0.550, 95% confidence interval [CI] 0.341–0.886; p = 0.014) and E/e’ ratios (OR 0.871, 95% CI 0.771–0.985; p = 0.027) were significant predictors of AF recurrence. On receiver operator characteristic curve analysis of AF recurrence at 12 months, the area under curve for both E/A and E/e’ ratios were 0.726. With an E/A cutoff of 2.2, the sensitivity for predicting AF recurrence at 12 months was 72%, and specificity was 73%. With an E/e’ cutoff of 9.17, the sensitivity for predicting AF recurrence at 12 months was 72%, and specificity was 74%.
Conclusions: Left ventricular filling pressure assessed with E/A and E/e’ ratios predict AF recurrence after electrical cardioversions among patients with AF and normal function of LV.
Keywords
atrial fibrillation, direct current cardioversion, diastolic dysfunction


Title
Echocardiographic assessment of left atrial morphology and function to predict maintenance of sinus rhythm after electrical cardioversion in patients with non-valvular persistent atrial fibrillation and normal function or mild dysfunction of left ventricle
Journal
Issue
Pages
246-253
Published online
2019-07-08
Page views
1349
Article views/downloads
833
DOI
Pubmed
Bibliographic record
Cardiol J 2020;27(3):246-253.
Keywords
atrial fibrillation
direct current cardioversion
diastolic dysfunction
Authors
Paweł Wałek
Janusz Sielski
Katarzyna Starzyk
Iwona Gorczyca
Joanna Roskal-Wałek
Beata Wożakowska-Kapłon


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